| Client name | City | Country |
|---|---|---|
| Indian Oil Corporation Limited | Panipat | India |
| Indian Oil Corporation Limited | Bongaigaon | India |
| Indian Oil Corporation Ltd., | Paradeep | India |
| Indorama Ventures Polymers Germany GmbH | Augsburg | Germany |
| Indurest Planungsgesellschaft für | Eppstein-Ehlhalten | Germany |
| INDUREST Planungsgesellschaft für Industrieanlagenbau mbH | Wesseling | Germany |
| Industriele Hogeschool - B.M.E. | Gent | Belgium |
| INDUSTRIEPARK NIENBURG GmbH | Nienburg | Germany |
| Industriepark Troisdorf | Troisdorf | Germany |
| Industry Control, s.r.o. | Prague 6 | Czech Republic |
| INEOS Geel | Geel | Belgium |
| Ineos Manufacturing Belgium NV | Antwerp | Belgium |
| INEOS Manufacturing Deutschland GmbH | Köln | Germany |
| Ineos N.V. | Zwijndrecht | Belgium |
| Ineos Oxide Services NV | Zwijndrecht | Belgium |
| INEOS Phenol GmbH | Gladbeck | Germany |
| INEOS Solvents Germany GmbH | Moers | Germany |
| INEOS Solvents Germany GmbH | Herne | Germany |
| Ineos Styrolution Belgium NV | Antwerpen 4 | Belgium |
| Ineos Styrolution Köln GmbH | Köln | Germany |
| INEOS Styrolution Ludwigshafen GmbH | Frankfurt am Main | Germany |
| Ineos-Vinyls Deutschland GmbH | Wilhelmshaven | Germany |
| INERATEC GmbH | Karlsruhe | Germany |
| Infineum Italia S.r.l. | Vado Ligure | Italy |
| InfraServ GmbH & Co. Gendorf KG | Burgkirchen | Germany |